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Combustion System Parameters and Their Effect Upon Diesel Engine Exhaust Emissions
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English
Abstract
Exhaust emission characteristics of a production automotive diesel engine were studied. The particular engine was chosen because it is being marketed with a prechamber as well as with a direct-injection combustion system and, in both configurations, either naturally aspirated or turbocharged. In addition, an aftercooler was fitted to the turbocharged direct-injection engine.
Methods for reducing exhaust emissions are discussed. A brief survey is given of potential emission control by catalytic converter, exhaust recirculation, and LPG dual-fuel operation. Basic investigations, conducted on single-cylinder direct-injection (DI) engines are reported.
It is concluded that direct injection is the most promising combustion system for low-emission commercial automotive diesel engines, particularly when turbocharged and aftercooled, and that this type of engine can satisfy the 1975 California standards.
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Topic
Citation
Pischinger, R. and Cartellieri, W., "Combustion System Parameters and Their Effect Upon Diesel Engine Exhaust Emissions," SAE Technical Paper 720756, 1972, https://doi.org/10.4271/720756.Also In
References
- California Exhaust Emission Standards, Test and Approval Procedures for Diesel Engines in 1973 and Subsequent Model Year Vehicles Over 6001 lb gvw State of California, Air Resources Board Nov. 19 1970 Feb. 17 1971
- SAE Recommended Practice, Measurement of Carbon Dioxide, Carbon Monoxide, and Oxides of Nitrogen in Diesel Exhaust SAE J177 , SAE Handbook
- SAE Recommended Practice, Continous Hydrocarbon Analysis of Diesel Exhaust SAE J215 , SAE Handbook
- Lyon D. Howland A. H. Lom W. L. “Controlling Exhaust Emissions From a Diesel Engine by LPG Dual Fuelling.” Paper C126/71 Inst. Mech. Engrs. Conference on Air Pollution Control in Transport Engines Solihull, London November 1971
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- Thien G. E. Oesterreichische Ingenieurzeitschrift 8 September 1965 Vienna
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- Khan I. M. Wang C. H. T. “Factors Affecting Emissions of Smoke and Gaseous Pollutants From Direct-Injection Diesel Engines.” Paper C151/71 Inst. Mech. Engrs, Conference on Air Pollution Control in Transport Engines Solihull, London November 1971
- Eyzat P. Guibet J. C. “New Look at Nitrogen Oxides Formation in Internal Combustion Engines.” SAE Transactions 77 1968 paper 680124
- Ford H. S. Merrion D. F. Hames R. J. “Reducing Hydrocarbons and Odor in Diesel Exhaust by Fuel Injector Design.” SAE Transactions 79 1970 paper 700734
- Hames R. J. Merrion D. F. Ford H. S. “Some Effects of Fuel Injection System Parameters on Diesel Exhaust Emission.” Paper 710671 SAE West Coast Meeting August 1971